As N.Y. gunman's life fell apart, he took others'

As N.Y. gunman's life fell apart, he took others': "Jiverly Wong was upset over losing his job at a vacuum plant, didn't like people picking on him for his limited English and once angrily told a co-worker, 'America sucks.' It remains unclear exactly why the Vietnamese immigrant strapped on a bulletproof vest, barged in on a citizenship class and killed 13 people and himself, but the Binghamton police chief says he knows one thing for sure: 'He must have been a coward.'"